Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 41, NWS Grand Forks, ND

June 17, 20107 counties in Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 17, 2010, 5:59 PM CDT for 7 counties in Minnesota. It was in force for 61 min. 11 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 17, 2010, 5:59 PM CDT (22:59 UTC)
Expired: Jun 17, 2010, 7:00 PM CDT
In force: 61 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Emergency: Tornado emergency

Counties Clearwater County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 105 km from the middle of the area, began a volume at 23:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 17, 6:00 PM CDT	TORNADO 1	2 Wsw Gentilly, MN	TORNADO TRACKED NORTHEASTWARD FOR NEARLY 3 MILES TO AROUND 1NW OF GENTILLY BY 604 PM CDT. THE TORNADO TORE A 5K BUSHEL STEEL GRAIN BIN RIPPED FROM ITS CONCRETE PAD AND TOSSED IT A HALF MILE INTO A FIELD. SEVERAL TREES WERE SNAPPED OFF OR UPROOTED IN A SHELTER
Jun 17, 6:00 PM CDT	TORNADO	1 W Gentilly, MN	A LOW END EF1 TORNADO PICKED UP A GRAIN BIN AND TOSSED IT 1/2 MILE AND UPROOTED SOME TREES. THE TORNADO HAD A PATH LENGTH OF 1.5 MILES AND WAS 75 YARDS WIDE.
Jun 17, 6:06 PM CDT	TORNADO 0	1 Nnw Angus, MN	TORNADO TRACKED NORTHWARD FOR ROUGHLY 2 MILES TO AROUND 3N ANGUS BY 610 PM CDT. SEVERAL LARGE TREE LIMBS WERE KNOCKED DOWN IN SHELTER BELTS ALONG THE TORNADO PATH. ONE FARMSTEAD RECEIVED MINOR SHINGLE DAMAGE. MAXIMUM WIDTH ESTIMATED TO 75 YARDS AND PEAK WINDS
Jun 17, 6:15 PM CDT	TORNADO 3	4 Ssw Mentor, MN	* 1 FATAL, 2 INJ * TORNADO TRACKED NORTHEASTWARD FOR NINE MILES TO THE PENNINGTON COUNTY LINE ABOUT 5NNE OF MENTOR BY 627 PM CDT... AND CONTINUED AN ADDITIONAL 6 MILES INTO PENNINGTON COUNTY THROUGH 636 PM CDT. THE TORNADO TRACKED ACROSS MAPLE LAKE AND THE
Jun 17, 6:16 PM CDT	TORNADO 1	3 E Dorothy, MN	* 1 INJ * TORNADO TRACKED NORTHEASTWARD FOR ROUGHLY 2 MILES TO AROUND 5ENE OF DOROTHY BY 619 PM CDT. THE TORNADO BLEW A PARKED SEMI TRACTOR-TRAILER RIG OFF THE HIGHWAY AND INJURED THE DRIVER. MAXIMUM WIDTH ESTIMATED TO 50 YARDS AND PEAK WINDS TO 90 MPH.
Jun 17, 6:18 PM CDT	TORNADO	3 Sw Mentor, MN	TORNADO AT CABLE LAKE.
Jun 17, 6:20 PM CDT	TSTM WND DMG	Red Lake Falls, MN	NUMEROUS LARGE TREES BRANCHES WERE BROKEN DOWN AND SEVERAL TREES UPROOTED BY VIOLENT WIND BURSTS. THE WINDS ACCOMPANIED A STEADY DOWNPOUR OF RAIN.
Jun 17, 6:20 PM CDT	TORNADO	Mentor, MN	DAMAGE TO GAS STATION IN MENTOR. PEOPLE TRAPPED INSIDE.
Jun 17, 6:26 PM CDT	TORNADO 1	3 Nnw Radium, MN	TORNADO TRACKED FOR ROUGHLY 7 MILES TO ABOUT 10NNE OF RADIUM BY 636 PM CDT. THE TORNADO SNAPPED OFF NUMEROUS TREES IN SHELTER BELTS ALONG ITS PATH. THE ROOF WAS TORN OFF A SMALL SHED NEAR OLD MILL STATE PARK AND SOME ROW CROPS SHOWED GROUND SCOURING. MAXIMUM W
Jun 17, 6:27 PM CDT	TORNADO 3	5 Sse Terrebonne, MN	THIS TORNADO CONTINUED FROM POLK COUNTY AND TRACKED FOR AN ADDITIONAL 6 MILES TO ROUGHLY 4ENE OF TERRBONNE BY 636 PM CDT. THE TORNADO SHEARED TREES AND BLEW DOWN FARM BUILDINGS NEAR THE POLK COUNTY LINE AND LOFTED DEBRIS FROM MENTOR WELL PAST THE COMMUNITY OF
Jun 17, 6:45 PM CDT	TORNADO	3 N Radium, MN	TREES SNAPPED OFF.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 10 storm reports to this tornado warning; the first came 1 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 17, 12:21 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.0 hours before the alert went out and 216 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 782 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

124 
WFUS53 KFGF 172259
TORFGF
MNC029-087-089-107-113-119-125-180000-
/O.NEW.KFGF.TO.W.0041.100617T2259Z-100618T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
559 PM CDT THU JUN 17 2010

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* TORNADO WARNING FOR...
  CLEARWATER COUNTY IN NORTHWEST MINNESOTA...
  MAHNOMEN COUNTY IN NORTHWEST MINNESOTA...
  MARSHALL COUNTY IN NORTHWEST MINNESOTA...
  NORTHEASTERN NORMAN COUNTY IN NORTHWEST MINNESOTA...
  PENNINGTON COUNTY IN NORTHWEST MINNESOTA...
  POLK COUNTY IN NORTHWEST MINNESOTA...
  RED LAKE COUNTY IN NORTHWEST MINNESOTA...

* UNTIL 700 PM CDT

* AT 556 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES. THE
  TORNADIC STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
  NORTH OF ALVARADO TO NEAR GENTILLY TO 3 MILES NORTHEAST OF FAITH...
  MOVING TO THE NORTHEAST AT 45 MPH.

* AT 555 PM CDT A TORNADO WAS SPOTTED BETWEEN FISHER AND GRAND FORKS 
  MOVING NORTHEAST AT 35 MPH.

* THE TORNADIC STORMS WILL BE NEAR...
  WARREN...PERAULT AND DOROTHY AROUND 605 PM CDT.
  RED LAKE FALLS...ARGYLE AND WYLIE AROUND 610 PM CDT.
  TERREBONNE...RADIUM AND ERSKINE AROUND 615 PM CDT.
  MCINTOSH...ST. HILAIRE AND ROY LAKE AROUND 620 PM CDT.

THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORMS
INCLUDE DELORME...WINGER...MAHKONCE...THIEF RIVER FALLS...OKLEE AND
UPPER RICE LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

&&

LAT...LON 4739 9524 4718 9609 4822 9710 4853 9656
      4854 9587
TIME...MOT...LOC 2258Z 234DEG 40KT 4825 9699 4782 9643
          4733 9602

$$

VOELKER

1 follow-up statement

478 
WWUS53 KFGF 172334
SVSFGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
634 PM CDT THU JUN 17 2010

MNC107-172342-
/O.CAN.KFGF.TO.W.0041.000000T0000Z-100618T0000Z/
NORMAN MN-
634 PM CDT THU JUN 17 2010

...THE TORNADO WARNING FOR NORTHEASTERN NORMAN COUNTY IN NORTHWEST
MINNESOTA IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4739 9524 4726 9575 4838 9681 4853 9656
      4854 9587
TIME...MOT...LOC 2332Z 234DEG 40KT 4847 9653 4804 9597
          4755 9557

$$

MNC029-087-089-113-119-125-180000-
/O.CON.KFGF.TO.W.0041.000000T0000Z-100618T0000Z/
MAHNOMEN MN-RED LAKE MN-PENNINGTON MN-MARSHALL MN-POLK MN-
CLEARWATER MN-
634 PM CDT THU JUN 17 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR CLEARWATER...EASTERN
POLK...CENTRAL MARSHALL...PENNINGTON...RED LAKE AND NORTHEASTERN
MAHNOMEN COUNTIES IN NORTHWEST MINNESOTA UNTIL 700 PM CDT...

...TORNADO EMERGENCY FOR PLUMMER AND HIGHLANDING...

AT 629 PM CDT...STORM SPOTTERS OBSERVED AND NATIONAL WEATHER SERVICE 
DOPPLER RADAR INDICATED TORNADOES NEAR TERREBONNE AND PLUMMER. THE 
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES EAST 
OF FLORIAN TO 5 MILES EAST OF HAZEL TO NEAR LENGBY...MOVING TO THE 
NORTHEAST AT 35 MPH.

A TORNADO DAMAGED A CENEX GAS STATION/CONVENIENCE STORE IN MENTOR.

THE TORNADIC STORMS WILL BE NEAR...
  BAGLEY...WEME AND ROLAND AROUND 640 PM CDT.
  CLEARBROOK...MIDDLE RIVER AND GOODRIDGE AROUND 645 PM CDT.
  BERNER AROUND 650 PM CDT.

THEREAFTER SOME OTHER LOCATIONS IMPACTED BY THE TORNADIC STORMS
INCLUDE MAVIE...HIGH LANDING...GULLY AND GONVICK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS TORNADO ABANDON CARS AND MOBILE HOMES
FOR A STURDY BUILDING.

&&

LAT...LON 4739 9524 4726 9575 4838 9681 4853 9656
      4854 9587
TIME...MOT...LOC 2332Z 234DEG 40KT 4847 9653 4804 9597
          4755 9557

$$

VOELKER

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this tornado warning went out at Jun 17, 2:06 PM CDT, 3 hours 53 minutes earlier.

Area forecast discussion, Jun 17, 2:06 PM CDT, 3 hours 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND FORKS ND
206 PM CDT THU JUN 17 2010

.DISCUSSION...ABBREVIATED DISCUSSION DUE TO ONGOING/POTENTIAL SEVERE
WEATHER EVENT. WARM FRONTAL BOUNDARY/PREFRONTAL TROUGH FROM
WESTERN ND SURFACE LOW AND SEVERAL OTHER BOUNDARIES WILL BE THE
FOCUS FOR CONTINUED SEVERE WEATHER THREAT INTO THIS EVENING.
AIRMASS BECOMING INCREASINGLY UNSTABLE WITH SURFACE HEATING AND
MID 60 DEWPOINTS IN WARM SECTOR. DRIER AIR WILL SPREAD ACROSS THE
REGION LATER TONIGHT IN THE WAKE OF WARM FRONT LIFTING NORTH
AND EXITING PREFRONTAL TROUGH TO OUR EAST. THIS SHOULD ALLOW
MINIMUMS TO DROP INTO THE 50S.

SURFACE LOW PRESSURE WILL LIFT NORTH AND THEN EAST ACROSS SOUTHERN
CANADIAN PROVINCES ON FRIDAY. WIND WILL AGAIN BE MAIN ISSUE AND SOME
SORT OF HEADLINE WILL LIKELY BE NECESSARY. WILL ALSO SEE SOME
WRAP AROUND SHRA AS LOW SHIFTS EAST. WILL SPREAD POPS A LITTLE
FARTHER SOUTH BASED ON LAYER RH TRENDS. FAVORED COLD ADVECTION AND
CLOUD COVER POTENTIAL WILL MAKE FOR COOLER TEMPERATURES ALL BUT
FAR SOUTH.

WITH SLOWER TRACK OF SURFACE LOW WILL LINGER POPS ACROSS THE
NORTHERN FA THROUGH THE NIGHT.

CONFIDENCE LOW BUT WILL MAINTAIN LOW POPS INTO THE WEEKEND IN
ZONAL MID LEVEL FLOW AND PASSAGE OF WEAK WAVES.

LONG RANGE...MONDAY THROUGH WEDNESDAY. MAIN ISSUE THROUGH PERIOD
WILL BE TIMING OF NORTHERN STREAM WAVE. MODELS ALL SHOWING TIMING
ISSUES WITH WAVE SO HAVE MAINTAINED EXTENDED LOW POP PERIOD.
BASED ON THERMAL PROFILES TEMPERATURES WILL RANGE AT OR ABOVE
AVERAGE.

&&
.AVIATION...PRIMARILY LOOKING AT VFR CIGS WITH PATCHY MVFR
CIGS/VSBY IN STRONGER STORMS PRETTY MUCH ANYWHERE ACROSS THE AREA
AS SEVERAL BOUNDARIES PUSH THROUGH.

&&

.HYDROLOGY...SPOTTY FLASH FLOODING THIS MORNING MAY LEAD TO SOME
LOCALIZED RIVER RISES. WILL BE MONITORING FOR ADDITIONAL FLOOD
THREAT WITH ANY NEW CONVECTIVE DEVELOPMENT.

&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...TORNADO WATCH IN EFFECT UNTIL 9PM CDT.
MN...TORNADO WATCH IN EFFECT UNTIL 9PM CDT.

&&

VOELKER

Hazardous weather outlook, Jun 17, 6:53 AM CDT, 11 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
653 AM CDT THU JUN 17 2010

MNZ001>005-007-008-013>015-022-023-027>031-040-NDZ006>008-014>016-
024-026>030-038-039-049-052>054-181200-
WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-WEST MARSHALL-EAST MARSHALL-
PENNINGTON-RED LAKE-EAST POLK-MAHNOMEN-SOUTH CLEARWATER-
WEST BECKER-EAST BECKER-WILKIN-WEST OTTER TAIL-EAST OTTER TAIL-
GRANT-TOWNER-CAVALIER-PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-
EDDY-NELSON-GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-
SARGENT-RICHLAND-WESTERN WALSH COUNTY-
653 AM CDT THU JUN 17 2010

...SEVERE THUNDERSTORMS ARE EXPECTED TODAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A MODERATE RISK OF SEVERE THUNDERSTORMS IS EXPECTED TODAY RIGHT OF
A LINE FROM NEAR HAVANA NORTH DAKOTA TO VALLEY CITY TO NEAR RED
LAKE FALLS MINNESOTA TO LAPORT MINNESOTA. SURROUNDING THE MODERATE
RISK...A SLIGHT RISK OF SEVERE THUNDERSTORMS ARE EXPECTED ACROSS
THE REST OF NORTHEAST NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL
MINNESOTA.

EXPECT LARGE HAIL...DAMAGING WINDS AND TORNADOES. WHILE SEVERE
WEATHER MAY OCCUR ANYTIME TODAY AND THIS EVENING...THE BEST CHANCE
FOR SEVERE WEATHER WILL OCCUR BETWEEN 2 PM CDT AND 10 PM CDT.
ALSO LOCALLY HEAVY RAIN CAN A BE EXPECTED.

ALSO STRONG SOUTH WINDS ARE EXPECTED TODAY. A HIGH WIND WATCH IS
IN EFFECT FROM 1 PM THURSDAY UNTIL 1 AM FRIDAY. SOUTH WINDS OF 25
TO 35 MPH IS FORECAST WITH GUSTS TO 45 TO 50 MPH POSSIBLE. SOUTH
WINDS WILL SHIFT TO THE SOUTHWEST AFTER A COLD FRONT WILL MOVE
THROUGH THE AREA. THE STRONG WINDS WILL LIKELY CREATE WAVES FROM
2 TO 6 FEET ON ON DEVILS LAKE AND STUMP LAKE THURSDAY AND THURSDAY
NIGHT. FOR ROADS NEAR THE LAKE...EXPECT WATER AND DEBRIS TO WASH
ONTO ROADWAYS.

AN UPPER LEVEL LOW PRESSURE SYSTEM OVER WYOMING WILL MOVE INTO
SOUTHERN MANITOBA BY FRIDAY MORNING. THE LOW PRESSURE SYSTEM WILL
INTENSIFY AND MOIST UNSTABLE AIR WILL MOVE INTO THE NORTHERN
PLAINS AND DESTABILIZE THE ATMOSPHERE. A COLD FRONT OVER EASTERN
MONTANA WILL SWEEP ACROSS THE RED RIVER VALLEY THIS AFTERNOON AND
EVENING AND PRODUCE THE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WINDY CONDITIONS ARE EXPECTED FOR FRIDAY. SOUTHWEST WINDS OF 25 TO
35 MPH WITH GUSTS TO 45 TO 50 MPH WILL BE POSSIBLE FOR FRIDAY.
WINDS SHOULD BE STRONGEST FROM 8 AM CDT TO 9 PM CDT. WIND
ADVISORIES MAY BE NEEDED FRIDAY. THE STRONG WINDS WILL LIKELY CREATE
WAVES FROM 2 TO 6 FEET ON ON DEVILS LAKE AND STUMP LAKE THURSDAY
AND THURSDAY NIGHT. FOR ROADS NEAR THE LAKE...EXPECT WATER AND
DEBRIS TO WASH ONTO ROADWAYS.

STRONG LOW PRESSURE OVER SOUTHERN MANITOBA WILL PRODUCE THE GUSTY
WINDS FOR FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

MNZ006-009-016-017-024-032-181200-
LAKE OF THE WOODS-NORTH BELTRAMI-NORTH CLEARWATER-SOUTH BELTRAMI-
HUBBARD-WADENA-
653 AM CDT THU JUN 17 2010

...SEVERE THUNDERSTORMS ARE EXPECTED TODAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH
DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA.

.DAY ONE...TODAY AND TONIGHT

A MODERATE RISK OF SEVERE THUNDERSTORMS IS EXPECTED TODAY RIGHT OF
A LINE FROM NEAR HAVANA NORTH DAKOTA TO VALLEY CITY TO NEAR RED
LAKE FALLS MINNESOTA TO LAPORT MINNESOTA. SURROUNDING THE MODERATE
RISK...A SLIGHT RISK OF SEVERE THUNDERSTORMS ARE EXPECTED ACROSS
THE REST OF NORTHEAST NORTH DAKOTA AND NORTHWEST AND WEST CENTRAL
MINNESOTA.

EXPECT LARGE HAIL...DAMAGING WINDS AND TORNADOES. WHILE SEVERE
WEATHER MAY OCCUR ANYTIME TODAY AND THIS EVENING...THE BEST CHANCE
FOR SEVERE WEATHER WILL OCCUR BETWEEN 2 PM CDT AND 10 PM CDT. ALSO
LOCALLY HEAVY RAIN CAN A BE EXPECTED.

AN UPPER LEVEL LOW PRESSURE SYSTEM OVER WYOMING WILL MOVE INTO
SOUTHERN MANITOBA BY FRIDAY MORNING. THE LOW PRESSURE SYSTEM WILL
INTENSIFY AND MOIST UNSTABLE AIR WILL MOVE INTO THE NORTHERN
PLAINS AND DESTABILIZE THE ATMOSPHERE. A COLD FRONT OVER EASTERN
MONTANA WILL SWEEP ACROSS THE RED RIVER VALLEY THIS AFTERNOON AND
EVENING AND PRODUCE THE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

HOPPES

In the hours before

Local storm report, Jun 17, 5:40 PM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTION
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
540 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0531 PM     TSTM WND GST     5 W GRAND FORKS         47.92N 97.18W
06/17/2010  M58 MPH          GRAND FORKS        ND   ASOS

            58 MPH WIND GUST RECORDED AT GRAND FORKS AIRPORT ASOS.

&&

BBRAMER

Local storm report, Jun 17, 5:46 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
546 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0545 PM     FUNNEL CLOUD     1 S GRAND FORKS         47.90N 97.07W
06/17/2010                   GRAND FORKS        ND   NWS EMPLOYEE

            BRIEF FUNNEL CLOUD REPORTED BY NWS METEOROLOGIST.

&&

BBRAMER

Local storm report, Jun 17, 5:47 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
547 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0545 PM     FUNNEL CLOUD     1 NW FORDVILLE          48.23N 97.81W
06/17/2010                   WALSH              ND   FIRE DEPT/RESCUE

&&

BBRAMER

Local storm report, Jun 17, 5:51 PM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
551 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0539 PM     HAIL             5 W GRAND FORKS         47.92N 97.18W
06/17/2010  M1.25 INCH       GRAND FORKS        ND   ASOS

            HAIL REPORT INCLUDED IN 2239 UTC OBSERVATION.

&&

BBRAMER

Local storm report, Jun 17, 5:52 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
552 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0545 PM     HAIL             EAST GRAND FORKS        47.93N 97.02W
06/17/2010  E1.00 INCH       POLK               MN   TRAINED SPOTTER

&&

BBRAMER

Local storm report, Jun 17, 5:58 PM CDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
558 PM CDT THU JUN 17 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0557 PM     TORNADO          5 SE EAST GRAND FORKS   47.88N 96.94W
06/17/2010                   POLK               MN   TRAINED SPOTTER

&&

BBRAMER

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 8:53 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman	67 min
Jun 17, 9:35 AM CDT	Flash Flood Warning	FGF	Clay	12 hr
Jun 17, 9:57 AM CDT	Flash Flood Warning	FGF	Norman	12 hr
Jun 17, 11:56 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Beltrami, Clearwater, Hubbard, Mahnomen, Polk	64 min
Jun 17, 1:19 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Hubbard	56 min
Jun 17, 3:07 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	53 min
Jun 17, 3:27 PM CDT	Tornado Warning	FGF	Becker, Clay, Clearwater, Mahnomen, Norman, Polk	63 min
Jun 17, 3:38 PM CDT	Tornado Warning	FGF	Becker, Otter Tail	67 min
Jun 17, 3:55 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	65 min
Jun 17, 4:04 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Pennington, Polk, Red Lake	56 min
Jun 17, 4:21 PM CDT	Tornado Warning	FGF	Becker, Clearwater, Hubbard, Mahnomen, Otter Tail, Wadena	54 min
Jun 17, 4:29 PM CDT	Tornado Warning	FGF	Marshall, Polk	46 min
Jun 17, 4:56 PM CDT	Tornado Warning Emergency	FGF	Becker, Clearwater, Hubbard, Otter Tail, Wadena	64 min
Jun 17, 5:01 PM CDT	Tornado Warning	FGF	Marshall, Polk	44 min
Jun 17, 5:09 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake	51 min
Jun 17, 5:15 PM CDT	Tornado Warning	FGF	Polk	30 min
Jun 17, 5:24 PM CDT	Tornado Warning	FGF	Marshall	51 min
Jun 17, 5:28 PM CDT	Tornado Warning	FGF	Polk	46 min
Jun 17, 5:35 PM CDT	Tornado Warning	FGF	Norman, Polk	55 min
Jun 17, 5:54 PM CDT	Tornado Warning	FGF	Lake of the Woods, Roseau	51 min
Jun 17, 6:38 PM CDT	Tornado Warning	FGF	Kittson, Roseau	67 min
Jun 17, 6:51 PM CDT	Tornado Warning	FGF	Becker, Beltrami, Clearwater, Hubbard	54 min
Jun 17, 6:58 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake	47 min

Nearby

Tornado Warnings in Minnesota, 2010 Every tornado warning in 2010 Tornadoes in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.